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emmasim [6.3K]
3 years ago
10

Find the 11" term of the following geometric sequence. 5, 15, 45, 135, ...

Mathematics
2 answers:
Ivanshal [37]3 years ago
6 0
The 11th term is 295,245.
I did the calculations
vladimir1956 [14]3 years ago
3 0
5*3^0 = 5,

5*3^1 = 15,

5*3^2 = 45,

5*3^3 = 135,

5*3^4 = 405
1.9K viewsView upvotes

5




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Is the area of ABC round to the nearest tenth
svlad2 [7]
Hi there!

Since we know that this is a right isosceles triangle, we can use the 45-45-90 relationship to figure out the missing side lengths. Using this relationship, we know that the two marked sides are both equal to 5 inches. Next, we need to use the formula to find the area of a triangle, which is A = 1/2(b * h). We know that the base of this triangle is 5, as is the height. All we need to do is plug in the numbers and solve: A = 1/2(5 * 5) | A = 1/2(25) | A = 12.5 inches^2. 

Hope this helps!! :)
If something doesn't make sense or if there's anything else that I can help you with, please let me know!
5 0
3 years ago
Find the dimensions of a deck which will have railings on only three sides. There is 28 m of railing available and the deck must
Roman55 [17]

Answer:

The largest possible area of the deck is 87.11 m² with dimensions;

Width = 9.33 m

Breadth = 9.33 m

Step-by-step explanation:

The area of a given dimension increases as the dimension covers more equidistant dimension from the center, which gives the quadrilateral with largest dimension being that of a square

Given that the railings will be placed on three sides only and the third side will cornered or left open, such that the given length of railing can be shared into three rather than four to increase the area

The length of the given railing = 28 m

The sides of the formed square area by sharing the railing into three while the fourth side is left open are then equal to 28/3 each

The area of a square of side s = s²

The largest possible area of the deck = (28/3)² = 784/9 = 87.11 m² with dimensions;

Width = 28/3 m = 9.33 m

Breadth = 28/3 m = 9.33 m.

5 0
3 years ago
PLSSSS HELPPPP<br>What is the value of <br><img src="https://tex.z-dn.net/?f=5%20%5Ctimes%20%7B2%7D%5E%7B3%7D%20%2B%205" id="Tex
tigry1 [53]
5 x 2000 = 10,000 + 5 = 10,005
4 0
1 year ago
Check all of the expressions that are equal to the one below. (-8). (4 + 6) O A. (6 + 4) • (8) B. (-8) • 4 + (-8) - 6 O C. (4+6)
olasank [31]

Answer:

1 is, 2 is, 3 isn't, 4 isn't

Step-by-step explanation:

Some answers may not add up the same way!

6 0
2 years ago
T= [4 2]
Nina [5.8K]

\bf T= \begin{bmatrix} 4&2\\5&0\\\underset{row~3,col~1}{11}&-1\\8&3 \end{bmatrix}\impliedby \textit{11 is at 3,1}

3 0
3 years ago
Read 2 more answers
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